Improve UX: Configuration and test pages now on tabs.
Fix bugs: 1) Remove single quotes from {} as string is now escaped properly, 2) Status check connects using ual_api configuration settings.
Improve UX: additional settings pages now accessed via link rather than through the Site Administration menu.
Improve UX: Advanced settings pages are tabbed.
Improve UX: advanced settings pages (of which 'override' is one) are now tabbed.
Changed language strings as part of improvements made to UX.
Merge branch 'develop' of github.com:iandavidwild/moodle-local_ual_db_process into develop